Only happens at low speed (10-20 mph) after 20-30 miles of freeway driving, quiet when cold. Chirping noise that changes with ground speed, but too fast to be tire speed. I’m thinking driveshaft speed related. U joint, driveshaft, input or output bearing on diff or transfer case? Dealer...
Hi all. I started noticing a chirping noise from under the Bronco at low speed (<20 mph) over the last couple weeks. 2024 heritage ltd with 850 miles.
Frequency changes with ground speed, but not engine rpm. Develops after about an 8 mile warm up drive to and from work. 2H or 4A makes no...